Yesterday was maintenance day for me. New tires, oil change, final drive fluid change. This is my third oil change and it happened again yesterday - 4 quarts and I'm perfectly in between the dots on the sight glass. Bin O Facts says 4.23. Not that it's relevant, but Shell Rotella T Synthetic (per Jestal), Mobil 1 -110 cartridge. Should I add another quarter-quart or just let it go?
And now for the even more stupid question (yes, it's possible...I haven't had much coffee yet): Different oil accentuates vibration? No, no, not possible right? I was running Mobil 1 before. It's not the new PR2's because when I was on the highway at max vibe RPM (4k), I pulled the clutch and released the gas - smooth as silk. FWIW, the bike has had multiple TBS's including the Smitty patented TBS. I think it just is what it is. But it was an amusing thought to think the oil would somehow make the engine act/feel differently.
Sometimes I think it might just be the mood I'm in. Bad mood = more perceived vibration.